Dec 12 07:32:19.041 INFO checking signpost-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:32:19.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 07:32:19.465 INFO [stdout] 6017376da6d6b7426c00e8a9a30a4c7a51789ae233acaf1f7ff9c693265cea74
Dec 12 07:32:19.466 INFO running `"docker" "start" "-a" "6017376da6d6b7426c00e8a9a30a4c7a51789ae233acaf1f7ff9c693265cea74"`
Dec 12 07:32:21.137 INFO [stderr] usermod: no changes
Dec 12 07:32:21.216 INFO [stderr]     Checking signpost v0.1.0 (/source)
Dec 12 07:32:21.744 INFO [stderr] warning: unused variable: `code`
Dec 12 07:32:21.744 INFO [stderr]   --> src/lib.rs:73:14
Dec 12 07:32:21.744 INFO [stderr]    |
Dec 12 07:32:21.744 INFO [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:21.744 INFO [stderr]    |              ^^^^ help: consider using `_code` instead
Dec 12 07:32:21.744 INFO [stderr]    |
Dec 12 07:32:21.744 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 07:32:21.744 INFO [stderr] 
Dec 12 07:32:21.744 INFO [stderr] warning: unused variable: `args`
Dec 12 07:32:21.744 INFO [stderr]   --> src/lib.rs:73:25
Dec 12 07:32:21.744 INFO [stderr]    |
Dec 12 07:32:21.744 INFO [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:21.744 INFO [stderr]    |                         ^^^^ help: consider using `_args` instead
Dec 12 07:32:21.744 INFO [stderr] 
Dec 12 07:32:21.744 INFO [stderr] warning: unused variable: `code`
Dec 12 07:32:21.744 INFO [stderr]   --> src/lib.rs:75:12
Dec 12 07:32:21.744 INFO [stderr]    |
Dec 12 07:32:21.744 INFO [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:21.745 INFO [stderr]    |            ^^^^ help: consider using `_code` instead
Dec 12 07:32:21.745 INFO [stderr] 
Dec 12 07:32:21.745 INFO [stderr] warning: unused variable: `args`
Dec 12 07:32:21.745 INFO [stderr]   --> src/lib.rs:75:23
Dec 12 07:32:21.745 INFO [stderr]    |
Dec 12 07:32:21.745 INFO [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:21.745 INFO [stderr]    |                       ^^^^ help: consider using `_args` instead
Dec 12 07:32:21.745 INFO [stderr] 
Dec 12 07:32:21.745 INFO [stderr] warning: unused variable: `code`
Dec 12 07:32:21.745 INFO [stderr]   --> src/lib.rs:77:14
Dec 12 07:32:21.745 INFO [stderr]    |
Dec 12 07:32:21.745 INFO [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:21.745 INFO [stderr]    |              ^^^^ help: consider using `_code` instead
Dec 12 07:32:21.745 INFO [stderr] 
Dec 12 07:32:21.745 INFO [stderr] warning: unused variable: `args`
Dec 12 07:32:21.745 INFO [stderr]   --> src/lib.rs:77:25
Dec 12 07:32:21.745 INFO [stderr]    |
Dec 12 07:32:21.745 INFO [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:21.745 INFO [stderr]    |                         ^^^^ help: consider using `_args` instead
Dec 12 07:32:21.745 INFO [stderr] 
Dec 12 07:32:22.200 INFO [stderr] warning: unused variable: `code`
Dec 12 07:32:22.200 INFO [stderr]   --> src/lib.rs:73:14
Dec 12 07:32:22.200 INFO [stderr]    |
Dec 12 07:32:22.200 INFO [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:22.200 INFO [stderr]    |              ^^^^ help: consider using `_code` instead
Dec 12 07:32:22.200 INFO [stderr]    |
Dec 12 07:32:22.200 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 07:32:22.200 INFO [stderr] 
Dec 12 07:32:22.200 INFO [stderr] warning: unused variable: `args`
Dec 12 07:32:22.200 INFO [stderr]   --> src/lib.rs:73:25
Dec 12 07:32:22.200 INFO [stderr]    |
Dec 12 07:32:22.200 INFO [stderr] 73 | pub fn start(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:22.200 INFO [stderr]    |                         ^^^^ help: consider using `_args` instead
Dec 12 07:32:22.200 INFO [stderr] 
Dec 12 07:32:22.200 INFO [stderr] warning: unused variable: `code`
Dec 12 07:32:22.200 INFO [stderr]   --> src/lib.rs:75:12
Dec 12 07:32:22.200 INFO [stderr]    |
Dec 12 07:32:22.200 INFO [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:22.200 INFO [stderr]    |            ^^^^ help: consider using `_code` instead
Dec 12 07:32:22.201 INFO [stderr] 
Dec 12 07:32:22.201 INFO [stderr] warning: unused variable: `args`
Dec 12 07:32:22.201 INFO [stderr]   --> src/lib.rs:75:23
Dec 12 07:32:22.201 INFO [stderr]    |
Dec 12 07:32:22.201 INFO [stderr] 75 | pub fn end(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:22.201 INFO [stderr]    |                       ^^^^ help: consider using `_args` instead
Dec 12 07:32:22.201 INFO [stderr] 
Dec 12 07:32:22.201 INFO [stderr] warning: unused variable: `code`
Dec 12 07:32:22.201 INFO [stderr]   --> src/lib.rs:77:14
Dec 12 07:32:22.201 INFO [stderr]    |
Dec 12 07:32:22.201 INFO [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:22.201 INFO [stderr]    |              ^^^^ help: consider using `_code` instead
Dec 12 07:32:22.201 INFO [stderr] 
Dec 12 07:32:22.201 INFO [stderr] warning: unused variable: `args`
Dec 12 07:32:22.201 INFO [stderr]   --> src/lib.rs:77:25
Dec 12 07:32:22.201 INFO [stderr]    |
Dec 12 07:32:22.201 INFO [stderr] 77 | pub fn trace(code: u32, args: &[usize; 4]) {}
Dec 12 07:32:22.201 INFO [stderr]    |                         ^^^^ help: consider using `_args` instead
Dec 12 07:32:22.201 INFO [stderr] 
Dec 12 07:32:22.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 12 07:32:22.394 INFO [stderr] su: No module specific data is present
Dec 12 07:32:23.238 INFO running `"docker" "inspect" "6017376da6d6b7426c00e8a9a30a4c7a51789ae233acaf1f7ff9c693265cea74"`
Dec 12 07:32:23.620 INFO running `"docker" "rm" "-f" "6017376da6d6b7426c00e8a9a30a4c7a51789ae233acaf1f7ff9c693265cea74"`
Dec 12 07:32:23.936 INFO [stdout] 6017376da6d6b7426c00e8a9a30a4c7a51789ae233acaf1f7ff9c693265cea74